ENGINEERING THERMODYNAMICS QUIZ

Diesel cycle consists of following four processes

Two isentropic and two constant pressures

Two isentropic and two constant volumes

Two isothermal and two isentropic

Two isentropic, one constant volume and one constant pressure

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The mass of flue gas per kg of fuel is the ratio of the

Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas

Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas

Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel

Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel

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If in the equation pvn = C, the value of n = ∝, then the process is called

Constant volume process

Constant pressure process

Isothermal process

Adiabatic process

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Universal gas constant is defined as equal to product of the molecular weight of the gas and

Specific heat at constant volume

Specific heat at constant pressure

Ratio of two specific heats

Gas constant

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Compressed air coming out from a punctured football

Becomes hotter

Remains at the same temperature

Becomes cooler

May become hotter or cooler depending upon the humidity of the surrounding air

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Zeroth law of thermodynamics

Deals with heat engines

States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other

Deals with reversibility and irreversibility of process

Deals with conversion of mass and energy

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The unit of energy is S. I. units is

Joule/meter (J/m)

Watt (W)

Joule (J)

Joule meter (Jm)

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In an irreversible process, there is a

Loss of heat

No loss of heat

No gain of heat

Gain of heat

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The basis for measuring thermodynamic property of temperature is given by

Zeroth law of thermodynamics

Second law of thermodynamics

First law of thermodynamics

Third law of thermodynamics

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Those substances which have so far not been resolved by any means into other substances of simpler form are called

Compounds

Molecules

Elements

Atoms

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